+#if GTK_CHECK_VERSION(1, 2, 1)
+ wxWindow *top_frame = win;
+ while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+ top_frame = top_frame->GetParent();
+
+ /* support for native hot keys */
+ ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
+ if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
+ gtk_accel_group_attach( menu->m_accel, obj );
+#endif // GTK+ 1.2.1+
+
+ wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
+ while (node)
+ {
+ wxMenuItem *menuitem = node->GetData();
+ if (menuitem->IsSubMenu())
+ wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
+ node = node->GetNext();
+ }
+}
+
+void wxMenuBar::SetInvokingWindow( wxWindow *win )
+{
+ m_invokingWindow = win;
+#if GTK_CHECK_VERSION(1, 2, 1)
+ wxWindow *top_frame = win;
+ while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+ top_frame = top_frame->GetParent();
+
+ /* support for native key accelerators indicated by underscroes */
+ ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
+ if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
+ gtk_accel_group_attach( m_accel, obj );
+#endif // GTK+ 1.2.1+
+
+ wxMenuList::Node *node = m_menus.GetFirst();
+ while (node)
+ {
+ wxMenu *menu = node->GetData();
+ wxMenubarSetInvokingWindow( menu, win );
+ node = node->GetNext();
+ }
+}
+
+void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
+{
+ m_invokingWindow = (wxWindow*) NULL;
+#if GTK_CHECK_VERSION(1, 2, 1)
+ wxWindow *top_frame = win;
+ while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
+ top_frame = top_frame->GetParent();
+
+ // support for native key accelerators indicated by underscroes
+ gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
+#endif // GTK+ 1.2.1+
+
+ wxMenuList::Node *node = m_menus.GetFirst();
+ while (node)
+ {
+ wxMenu *menu = node->GetData();
+ wxMenubarUnsetInvokingWindow( menu, win );
+ node = node->GetNext();
+ }
+}
+
+bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
+{
+ if ( !wxMenuBarBase::Append( menu, title ) )
+ return FALSE;
+
+ return GtkAppend(menu, title);
+}
+
+bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
+{
+ wxString str( wxReplaceUnderscore( title ) );
+
+ // This doesn't have much effect right now.